| Name | Description |
| Nile.com | A Santonian expy of Amazon. If you want a product of yours featured, feel free to coordinate and draft with @Kyle. Each post is a product page. |
| Sophie-Saintélabo | A Santonian expy of Sanofi. Originated from Saintonge. |
| LeFort | A Santonian business that is similar to Adidas (though not entirely). Originated from Saintonge. |
| MIKE | A Santonian expy of Nike. Originated from Saintonge. |
| JustePrix | A Santonian expy of FairPrice. Originated from Saintonge. |
| Spilvel | A Santonian-Prydanian expy of Legos. |
| Minisoft | A Santonian expy of Microsoft. Its Vitrine operating system has since become the 'default' OS in Santonian computers. |
| chercher | A Santonian expy of Google, but only the search engine. Originated from Saintonge. |
| SMail | Also known as Saintonge Mail, it is a Santonian expy of Gmail. It is a sister company of chercher. Originated from Saintonge. |
| PaySafe | A Santonian expy of Paypal, a very popular online payments system from Saintonge. |
| Pagoda | A Santonian expy of Agoda. It is an online travel agency and metasearch engine for hotels, vacation rentals, flights, and airport transfers. Popular with prospective travellers to Saintonge. |
| Nuage.com | A cloud-storage company and Santonian expy of Cloudflare. It is one of the largest cloud storage and cloud computing companies in the world of Eras. |
| Antinomy | A videogame developer known for grand-strategy games such as Crusader Nations, Eras Universalis, Alexandria, and Fists of Iron. A Santonian expy of Paradox Interactive. |
| Vapour | A Santonian expy of Steam. Originated from Saintonge. |
| Arts Électroniques | A Stantonian expy of Electronic Arts. It is a subsidiary of Jeux saintongeaises (JS, Santonian Games), most famous for making the game Quatris. |
| MAXXIS | A Santonian expy of Maxis, developer of the Les Peeps series. |
| Pêche | A Santonian expy of Apple. The word itself means Peach. It is known for its phones, but it also produces computers that are very popular in Saintonge. |
| Nolf | A Santonian company known for its computers, but it also produces phones. It has a big government contract to provide satellite phones to the military and diplomats. Not a direct expy. |
| terrebonne | A Santonian agricultural cooperative modelled after New Zealand's Fonterra. |
| sister | A Santonian expy of brother. |
| Xenon | A Santonian expy of Canon. |
| FSS | A Santonian expy of TSMC (Taiwan Semiconductor Manufacturing Company Limited). |
| JaloC | A Santonian expy of NVidia that focuses on manufacturing GPUs. |
| AlpDisk | A Santonian expy of SanDisk. |
| Ouellette-Paccard | A Santonian producer of desktop computers, monitors, and peripheral devices. It is one of Saintonge's three most popular laptop manufacturers, alongside Lenouveau and Pêche. |
| Lenouveau | A Santonian expy of Lenovo. It is one of Saintonge's three most popular laptop manufacturers, alongside Ouellette-Paccard and Pêche. |
| Tranchant | A Santonian expy of the Sharp Corporation. |
| Tristar | A Santonian expy of Samsung with a twist. According to @Kyle "Its actually like uh Samsung, because Samsung literally means "three stars" in Korean, but it is not evil or a conglomerate like Samsung". |
| Blasio | A Santonian expy of Casio. |
| Prodige | A Santonian expy of Marvel. An extremely popular comic book publisher. |
| Vin Mariane | A Santonian expy of Coca-Cola. It does not actually contain alcohol despite the word "vin" in its name. |
| Multiversal | A Santonian expy of Universal Studios. It has both a movie studio and a recording studio in Saintonge. |
| Automobiles Pouillaises/ AMP | A Saintonge-based automobile company with a very rich history in the development of the automobile in Saintonge. An expy for BMW, but red. |
| Montfaucon | A Santonian expy for something like Caterpillar. |
| Cadillac | A Santonian expy with a completely car logo of its namesake. |
| Zuli | A Santonian luxury fashion brand. |
| Valentine Dion | A Santonian luxury fashion brand that specialises in leather products became popular among the wealthy, and they branched into haute couture in the 1970s. |
| Ulysses Litton | A Santonian luxury fashion brand that specialises in selling trunks. |
| les Senteurs de Griffonné | A Santonian luxury fashion brand that specialises in selling luxury perfumes, face, bath and body products |
| Douce & Gabrelle | A Santonian fashion brand that specialises in butchwear and male-specific high fashion lines. |
| Stórbjörn Borg | A Santonian luxury underwear manufacturer. |
| Lactose | A Santonian expy loosely based on Crocs. |
| Véridique | A Santonian high fashion brand that boasts a “true, honest couture”, making animal-free, cruelty-free, and slavery-free high fashion. Also very expensive. |
| Dobsen | A Santonian high fashion brand that specialises in clothing for automobile- and racing-themed fashion. |
| SMP | Formally known as the Système mondial de positionnement, it is a satellite-based radionavigation system owned by the Kingdom of Saintonge and operated by the Institut saintongeais d'aéronomie spatial (ISAS), the Santonian space agency under the Ministry of Defence. It is essentially the GPS system for Saintonge and some parts of the world. |
| SciPub | Known formally as Sciences Publiques. It is similar to the IRL PubMed and is maintained by the Saintonge's National Library of Medicine. |
| Cric | A Santonian expy that is something like Uber. |
| Beeper | A Santonian expy that is something like Viber/Telegram/Whatsapp. |
| Record | A Santonian expy of Discord. |
| Webu | A Kyonese expy of Amazon. Originated from Kyowara. |
| Soto | A Kyonese expy of Samsung (albeit on a much larger scale). Originated from Kyowara |
| Horagai | A Kyonese expy of Royal Shell plc. Originated from Kyowara. |
| Genki Kaihatsu | A Kyonese expy and equivalent of Bandai Namco/Nintendo. Originated from Kyowara. |
| Nichimart | A Kyonese expy and equivalent of 7-Eleven/Aldi. It owns two affiliates/subsidiaries, including Jetbuy (Metro) and Monoso (Miniso). Originated from Kyowara. |
| Shiyoco | A Kyonese expy and equivalent of FamilyMart/Walmart/Tesco. Originated from Kyowara. |
| Ozaki | A Kyonese expy of Tesla. Originated from Kyowara. |
| Zen | A Kyonese expy of Toyota. Originated from Kyowara. |
| Tohoku | A Kyonese expy of Honda. Originated from Kyowara. |
| KujiCo | A Kyonese expy of Coca-Cola Company. Originated from Kyowara. |
| Kanzai | A Kyonese expy of Nestlé. Originated from Kyowara. |
| Musandroid | An Eras' expy of Vocaloid. Originated from Kyowara. |
| Markt | A Kyonese expy of Steam. Originated from Kyowara. |
| Imada | A Kyonese luxury car manufacturer. |
| Janguru | A Kyonese chicken joint. |
| Yoyoso | A Kyonese technology company. |
| Studio Anemon | A Kyonese Studio Ghibli expy. |
| KHK | A Kyonese expy for the NHK. |
| FMS | Also known as the Federal Medicare System, it is another Kyonese expy for the NHK. |
| majan.kr | A Kyonese Mahjong/Mājan expy that is similar to chess.com. |
| Costsaver | A Hexastlian expy of Costco. Originated from Hexastalia. |
| Vol-Petra | A Hexastlian expy of Škoda and its subsidiaries. Originated from Hexastalia. |
| Zsoldos Hajógyártás | According to @Longboard, "they're kinda different bits of Damen mixed with other bits and ends". Originated from Hexastalia. |
| Antal&Orosz | According to @Longboard, "they're kinda different bits of Damen mixed with other bits and ends". Originated from Hexastalia. |
| Barna Armaments | According to @Longboard, "Barna Armaments’ small arms division is mostly post-Cold War Česká zbrojovka". Originated from Hexastalia. |
| Zamboni's Pizza | Zamboni's Pizza is a Predician pizza company. It has a Prydanian branch. Originated from Predice. |
| schack.com | A Sutherland expy for Chess.com. |
| Lund | A Sutherland expy for Google/ Alphabet. |
| Arka | A Sutherland phone producer. |
| Taranis | A Sutherland expy for Tesla. |
| Dunn & Hardy's | A Sutherlander fast food chain for fish & chips and seafood. |
| Southern Star | A Sutherlander tourist board. |
| Curuxa | A Sutherland car brand. |
| Estner | A Sutherland car brand. |
| Valt | A Sutherland car brand. |
| WWW | A Sutherland car brand. |
| Irvine | A Sutherland car brand. |
| Andrade | A Sutherland car brand. |
| Ord | A Sutherland car brand. |
| Lyssna | A Sutherland car brand. |
| LSN Conroy | Sutherland's GPS system. |
| Statsalne | A Sutherland petroleum state company. |
| Wesco | A Sutherland Tesco expy. |
| LHA | A Sutherland NHS-expy, which includes social care and pharmaceutical production. |
| GRÁRVǪSTR & WÆLAND | GRÁRVǪSTR & WÆLAND, Inc. (or simply Wæland) is a Þekskarl motorcycle manufacturer headquartered in Truth and Consequences, Solvang. It was founded in 1910 by Branson Grárvǫstr and Sten Wæland, and is noted for its chopper motorcycles and customisations. The company primarily markets itself through heavyweight, air-cooled cruiser motorcycles with engines displacing more than 700 cc. It is a partial expy of Harley-Davidson. |